Hangzhou Duohao Trade Co., Ltd.

Our company is not only a trade company, but also have three factories, which specialized in extension ladders, Mechanical & Electrical products and auxiliary chemicals.1.Coloong trade specialized in the development and production of telescopic ladder, specifically for foreign clients make practical multi-purpose telescopic aluminum ladder.2.Willama Mechanical & Electrical Co.,Ltd is a research, design and manufacturing and selling of mechanical and electrical products manufacturing enterprises.Mainly engaged in the precise polishing burr products and magnetic devices.At present the main product has magnetic polishing machine, handheld portable demagnetization, powerful demagnetization, Abrasive Flow Machining (AFM) etc.Our products meet already certificated with CE. 3.Tech Polymer Materials Shanghai Co., Ltd. is a professional and the largest paint and ink additive supplier in China. Established in 2005, we can supply more than 100 kinds of additives products, such as level... [Details]